this post was submitted on 17 Mar 2024
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Science Memes

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[โ€“] 0x0@lemmy.dbzer0.com 8 points 8 months ago (1 children)

I don't understand this argument. I've heard high school teachers decree it as a mathematical truth before.

Do we all agree absolute value is a function from reals to reals? If so, the absolute value of any real number is nonnegative. It can be zero or any positive numbers.

Case closed, right?

[โ€“] RagingRobot@lemmy.world 1 points 8 months ago

It's like taking a signed int and turning it into an unsigned int though. It doesn't become positive it just loses its sign.